American alligators once faced extinction. The United States Fish and Wildlife Service placed them on the endangered species list in 1967. Fortunately, the legal protection worked. Just 20 years later, American alligators were taken off the list.

How does the author develop the idea that alligators once faced extinction?

Responses choose one

The author shares an opinion about alligators.

The author states a fact about alligators.

The author elaborates with an anecdote.

The author describes alligators.